Food and Fertilizer
Fertilizer can cause this if it enters a river____________.
What is an algal bloom
Paul MULLER was awarded a NOBEL PRIZE AWARD for inventing this chemical to kill mosquitos...
What is DDT
Devices that use calcium oxide as a sorbent to remove sulfur dioxide from exhaust gases are called...
What is SCRUBBERS
In dumps, they often cover garbage in a layer of this...
What is SOIL
Is global pollution going to stop if only one country tries to stop it?
What is "NO"